Home / 3,727.49-5,143.61-2,194.25

Finding the Fourth Proportional to 3,727.49, 5,143.61 and 2,194.25

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Solution

The fourth proportional to 3,727.49, 5,143.61 and 2,194.25 is: 3,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.49 : 5,143.61 = 2,194.25 : x
  2. Step 2: Convert to fraction form
    3,727.49/5,143.61 = 2,194.25/x
  3. Step 3: Cross multiply
    3,727.49x = 5,143.61 × 2,194.25
  4. Step 4: Simplify right side
    3,727.49x = 11,286,354.31
  5. Step 5: Solve for x
    x = 11,286,354.31/3,727.49
  6. Step 6: Final answer
    x = 3,027.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.